#include "DispatchResult.h"
#include "DocIterator.h"
#include "Font.h"
+#include "Undo.h"
-#include <iosfwd>
#include <vector>
DispatchResult result() const;
/// add a new cursor slice
void push(Inset & inset);
- /// add a new cursor slice, place cursor on left end
- void pushLeft(Inset & inset);
+ /// add a new cursor slice, place cursor at front (move backwards)
+ void pushBackward(Inset & inset);
/// pop one level off the cursor
void pop();
- /// pop one slice off the cursor stack and go left
- bool popLeft();
- /// pop one slice off the cursor stack and go right
- bool popRight();
+ /// pop one slice off the cursor stack and go backwards
+ bool popBackward();
+ /// pop one slice off the cursor stack and go forward
+ bool popForward();
/// make sure we are outside of given inset
void leaveInset(Inset const & inset);
/// sets cursor part
bool & macromode() { return macromode_; }
/// returns x,y position
void getPos(int & x, int & y) const;
+ /// return logical positions between which the cursor is situated
+ /**
+ * If the cursor is at the edge of a row, the position which is "over the
+ * edge" will be returned as -1.
+ */
+ void getSurroundingPos(pos_type & left_pos, pos_type & right_pos);
/// the row in the paragraph we're in
Row const & textRow() const;
//
// common part
//
- /// move one step to the left
- bool posLeft();
- /// move one step to the right
- bool posRight();
+ /// move one step backwards
+ bool posBackward();
+ /// move one step forward
+ bool posForward();
+ /// move visually one step to the right
+ /**
+ * @note: This method may move into an inset unless skip_inset == true.
+ * @note: This method may move into a new paragraph.
+ * @note: This method may move out of the current slice.
+ * @return: true if moved, false if not moved
+ */
+ bool posVisRight(bool skip_inset = false);
+ /// move visually one step to the left
+ /**
+ * @note: This method may move into an inset unless skip_inset == true.
+ * @note: This method may move into a new paragraph.
+ * @note: This method may move out of the current slice.
+ * @return: true if moved, false if not moved
+ */
+ bool posVisLeft(bool skip_inset = false);
+ /// move visually to next/previous row
+ /**
+ * Assuming we were to keep moving left (right) from the current cursor
+ * position, place the cursor at the rightmost (leftmost) edge of the
+ * new row to which we would move according to visual-mode cursor movement.
+ * This could be either the next or the previous row, depending on the
+ * direction in which we're moving, and whether we're in an LTR or RTL
+ * paragraph.
+ * @note: The new position may even be in a new paragraph.
+ * @note: This method will not move out of the current slice.
+ * @return: false if not moved (no more rows to move to in given direction)
+ * @return: true if moved
+ */
+ bool posVisToNewRow(bool movingLeft);
+ /// move to right or left extremity of the current row
+ void posVisToRowExtremity(bool left);
/// insert an inset
void insert(Inset *);
/// output
friend std::ostream & operator<<(std::ostream & os, Cursor const & cur);
+ friend LyXErr & operator<<(LyXErr & os, Cursor const & cur);
+
+ ///
+ bool textUndo();
+ ///
+ bool textRedo();
+
+ /// makes sure the next operation will be stored
+ void finishUndo();
+
+ /// The general case: prepare undo for an arbitrary range.
+ void recordUndo(UndoKind kind, pit_type from, pit_type to);
+
+ /// Convenience: prepare undo for the range between 'from' and cursor.
+ void recordUndo(UndoKind kind, pit_type from);
+
+ /// Convenience: prepare undo for the single paragraph or cell
+ /// containing the cursor
+ void recordUndo(UndoKind kind = ATOMIC_UNDO);
+
+ /// Convenience: prepare undo for the inset containing the cursor
+ void recordUndoInset(UndoKind kind = ATOMIC_UNDO);
+
+ /// Convenience: prepare undo for the whole buffer
+ void recordUndoFullDocument();
+
+ /// Convenience: prepare undo for the selected paragraphs or cells
+ void recordUndoSelection();
+
+ ///
+ void checkBufferStructure();
public:
///
// of a big inset spanning a whole row and computing coordinates for
// displaying the cursor.
bool logicalpos_;
- /// x position before dispatch started
- int beforeDispX_;
- /// y position before dispatch started
- int beforeDispY_;
/// position before dispatch started
DocIterator beforeDispatchCursor_;
bool inMacroMode() const;
/// get access to the macro we are currently typing
InsetMathUnknown * activeMacro();
+ /// get access to the macro we are currently typing
+ InsetMathUnknown const * activeMacro() const;
/// replace selected stuff with at, placing the former
// selection in given cell of atom
void handleNest(MathAtom const & at, int cell = 0);
///
- bool isInside(Inset const *);
+ bool isInside(Inset const *) const;
/// make sure cursor position is valid
/// FIXME: It does a subset of fixIfBroken. Maybe merge them?
/**
* Notifies all insets which appear in old, but not in cur. Make
- * Sure that the cursor old is valid, i.e. als inset pointer
+ * Sure that the cursor old is valid, i.e. all inset pointers
* point to valid insets! Use Cursor::fixIfBroken if necessary.
*/
-bool notifyCursorLeaves(DocIterator const & old, Cursor & cur);
+bool notifyCursorLeaves(Cursor const & old, Cursor & cur);
} // namespace lyx
projects / lyx.git / blobdiff